140522 has 8 divisors (see below), whose sum is σ = 223236.
Its totient is φ = 66112.
The previous prime is 140521. The next prime is 140527. The reversal of 140522 is 225041.
It can be written as a sum of positive squares in 2 ways, for example, as 130321 + 10201 = 361^2 + 101^2
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 140497 and 140506.
It is not an unprimeable number, because it can be changed into a prime (140521) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033 + ... + 2100.
2140522 is an apocalyptic number.
140522 is a deficient number, since it is larger than the sum of its proper divisors (82714).
140522 is a wasteful number, since it uses less digits than its factorization.
140522 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4152.
The product of its (nonzero) digits is 80, while the sum is 14.
The square root of 140522 is about 374.8626415102.
The cubic root of 140522 is about 51.9893962599.
Adding to 140522 its reverse (225041), we get a palindrome (365563).
The spelling of 140522 in words is "one hundred forty thousand, five hundred twenty-two".